Ectopic prostate tissue, defined as the aberrant localization of prostate tissue, is often asymptomatic but may occasionally present with various clinical symptoms. A definitive diagnosis is established through surgical excision and subsequent histopathological analysis. This report discussess a case of ectopic prostate tissue identified in the bladder trigone of a 31-year-old patient who presented with lower urinary tract symptoms. Imaging studies revealed a suspicious lesion within the bladder, initially concerning for a potential tumor. Following cystoscopic examination, the lesion was transurethrally completely resected. Pathological analysis confirmed the diagnosis of ectopic prostate tissue, and the patient was subsequently monitored. This case highlights ectopic prostate tissue as a rare pathological condition that can present with clinical features resembling bladder tumors.